Architecture

Layer	Stack
User	Web browser · Google OAuth 2.0 · HttpOnly cookie session · HTTPS
Frontend	React 18 · Vite · TypeScript · Tailwind · shadcn/ui · React Router · served by nginx
Backend	FastAPI · Python 3.13 (uv) · SQLAlchemy 2 · Pydantic v2 · Hexagonal (ports/adapters) · Markdown & Word exporters
Database	PostgreSQL 16 · Alembic migrations · psycopg / asyncpg · Docker named volume
Ops	Docker Compose · Dozzle (container monitoring) · Locust (load testing)